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avf.sh
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avf.sh
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#!/bin/bash
# Copyright (c) 2020 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if [ $USER != "root" ] ; then
echo "Restarting script with sudo..."
sudo $0 ${*}
exit
fi
setup () {
cd /sys/bus/pci/devices/${1}
driver=$(basename $(readlink driver))
if [ "${driver}" != "i40e" ]; then
echo ${1} | tee driver/unbind
echo ${1} | tee /sys/bus/pci/drivers/i40e/bind
fi
ifname=$(basename net/*)
echo 0 | sudo tee sriov_numvfs > /dev/null
echo 1 | sudo tee sriov_numvfs > /dev/null
ip link set dev ${ifname} vf 0 mac ${2}
ip link show dev ${ifname}
vf=$(basename $(readlink virtfn0))
echo ${vf} | tee virtfn0/driver/unbind
echo vfio-pci | tee virtfn0/driver_override
echo ${vf} | sudo tee /sys/bus/pci/drivers/vfio-pci/bind
echo | tee virtfn0/driver_override
echo ${vf} > ~/vpp/vfpci
}
if [[ x$@ == "" ]]; then
echo "Usage"
echo "avf.sh <PCI> <MAC>"
echo
echo "avf.sh 0000:3b:00.0 00:11:22:33:44:00"
echo "will create one VF on PF 0000:3b:00.0"
echo "and assign the MAC address 00:11:22:33:44:00"
echo
echo "the resulting PCI ID can be used in vpp"
echo "with create interface avf <PCIID>"
else
setup $@
fi